SNAKE - AT HELLS CANYON DAM
Forecasts For Water Year 2026
Official Water Supply
ESP with 10 days QPF
Ensemble: 2026-09-03 Issued: 2026-09-03
Forecast
Period
Forecasts Are in KAF Obs Runoff
(2026-09-03)
30 Year
Average
(1991-2020)
90 % 50 % %
Average
10 %
OCT 712 773
NOV 623 744
DEC 779 853
JAN 789 963
FEB 659 1005
MAR 825 1437
APR 1074 1602
MAY 1053 1721
JUN 599 1375
JUL 457 731
AUG 515 617
SEP 569 578 85 632 28* 679
Move the mouse over the desired "Forecast Table" to update graph.
* Partial Monthly Total
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SNAKE - AT HELLS CANYON DAM
Forecasts For Water Year 2026
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble: 2026-09-03 Issued: 2026-09-03
Forecast
Period
Forecasts Are in KAF Obs Runoff
(2026-09-03)
30 Year
Average
(1991-2020)
90 % 50 % %
Average
10 %
OCT 712 773
NOV 623 744
DEC 779 853
JAN 789 963
FEB 659 1005
MAR 825 1437
APR 1074 1602
MAY 1053 1721
JUN 599 1375
JUL 457 731
AUG 515 617
SEP 564 577 85 634 28* 679
Move the mouse over the desired "Forecast Table" to update graph.
* Partial Monthly Total
CSV
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SNAKE - AT HELLS CANYON DAM
Forecasts For Water Year 2026
Reference
ESP with 0 days QPF
Ensemble: 2026-09-03 Issued: 2026-09-03
Forecast
Period
Forecasts Are in KAF Obs Runoff
(2026-09-03)
30 Year
Average
(1991-2020)
90 % 50 % %
Average
10 %
OCT 712 773
NOV 623 744
DEC 779 853
JAN 789 963
FEB 659 1005
MAR 825 1437
APR 1074 1602
MAY 1053 1721
JUN 599 1375
JUL 457 731
AUG 515 617
SEP 557 568 84 631 28* 679
Move the mouse over the desired "Forecast Table" to update graph.
* Partial Monthly Total
CSV
Download